GrainEdges

After applying edge blurs, color smears or other treatments to roto or keyed edges this tool can apply grain to the edge. It is based on a XOR so it applies grain to anywhere the alpha is less than 1 but more tha 0.

It uses the basic Grain node but it would be failry simple to swap that for the Furnace_Regrain or another grain tool.

Tested on Mac OSX but should work on other platforms without issues - please let me know!